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2-channel PWM pulse frequency duty cycle adjustable square wave rectangular wave signal generator stepper motor drive module

ICL8038 Medium and Low Frequency Signal Source, Waveform Signal Generator, Sine Wave, Triangle Wave, Square Wave Module, Adjustable

XH-M602 CNC Battery Lithium Battery Charging Control Module Battery Control Switch Protection Board

10W/15W/20W Stereo Bluetooth Amplifier Board 12V/24V High Power Digital Amplifier Module XY-P15W

DIY kit for automatic watering small water pump, automatic irrigation module, soil moisture detection, automatic watering and pumping

XH-M609 lithium battery over discharge module under low voltage disconnection output 6-60V DC voltage protection

XH-A158 PAM8403 Ultra Clear Bluetooth 5.0 Amplifier Board Small Power 2 * 5W Dual Channel Wireless Speaker DC5V

M18/28/38 DIY wireless Bluetooth audio module 4.2 high fidelity lossless car audio headphone amplifier board

M18/28/38 DIY wireless Bluetooth audio module 4.2 high fidelity lossless car audio headphone amplifier board

M18/28/38 DIY wireless Bluetooth audio module 4.2 high fidelity lossless car audio headphone amplifier board

Single key bistable one key start stop self-locking relay module microcontroller controlled relay 5V1V24V

XY-L30A battery charging control module digital full charge power-off overcharge protection switch 6-60V